Home / 86,213.52-118,974.12-48,488.16

Finding the Fourth Proportional to 86,213.52, 118,974.12 and 48,488.16

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Solution

The fourth proportional to 86,213.52, 118,974.12 and 48,488.16 is: 66,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.52 : 118,974.12 = 48,488.16 : x
  2. Step 2: Convert to fraction form
    86,213.52/118,974.12 = 48,488.16/x
  3. Step 3: Cross multiply
    86,213.52x = 118,974.12 × 48,488.16
  4. Step 4: Simplify right side
    86,213.52x = 5,768,836,166.42
  5. Step 5: Solve for x
    x = 5,768,836,166.42/86,213.52
  6. Step 6: Final answer
    x = 66,913.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.